US Bridges

Sly Park Road over Clear Creek

Good

El Dorado County, California · By JCT of Clear Creek RD · Structure no. 25C0144

Built
2020
5 years old
Condition
Good
inspected August 2023
Type
Slab
Prestressed Concrete
Length
52 ft
1 main span
Daily traffic
3,600
2021 count
Owner
County
County Highway Agency

About this bridge

Sly Park Road over Clear Creek is a prestressed concrete slab carrying Sly Park Road over Clear Creek in El Dorado County, California. It was built in 2020, so it is 5 years old, younger than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 3,600 vehicles a day, roughly 4% of them trucks, projected to reach 4,000 by 2040. The structure is 52 ft (15.9 m) long and 55 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesSly Park Road
CrossesClear Creek
LocationBy JCT of Clear Creek RD
RouteCounty Highway 0
Coordinates38.68623, -120.64302
Functional classRural Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadGreater than HL 93
Structure length52 ft (15.9 m)
Longest span47 ft (14.4 m)
Deck width55 ft (16.7 m)
Roadway width52 ft (15.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,600 (2021)
Projected traffic4,000 by 2040
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Sly Park Road over Clear Creek built?

It was built in 2020, making it 5 years old in 2025.

What condition is Sly Park Road over Clear Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2023.

How much traffic does Sly Park Road over Clear Creek carry?

About 3,600 vehicles per day (2021 count), of which roughly 4% are trucks.

How long is Sly Park Road over Clear Creek?

The structure is 52 ft (15.9 m) long with a longest span of 47 ft (14.4 m) and a deck 55 ft wide.

Who owns Sly Park Road over Clear Creek?

It is owned by the County Highway Agency.